PD free Hipot Tester

HIPOTS (High Voltage Testers)

PD free Hipot Tester

Non-Partial Discharge

UDEY ‘HT-PDF series’ of AC High Voltage testers are the third generation range of UDEY’ s famous ‘HP series’ of HV breakdown testers. The main difference is that the HT transformer is partial discharge free.

‘HT-PDF series’ uses oil insulated high voltage generating transformer, housed in isolated round barrel type mobile cabinet.

Feature

  • Panel mounted controls and indicators with easy to read legend
  • Continuously variable motorized output control
  • Double range kV + mA meter
  • Selectable trip current
  • Timer of 1-3-5 minutes

Safety Feature

  • Zero start interlock (User must always raise voltage from minimum. HV is switched on only when voltage control is brought to zero)
  • External interlock
  • Audio + Visual alarms
  • Fast acting over load circuit breaker. MCB-magnetic overload protection
HT transformer Copper double wound, isolated, high efficiency transformer
No load current < 10%
Impedance < 10%
Partial discharge < 10pC under 100% rated voltage
Output Control Continuously variable by motorized control.
Rating 10 minutes at 100% voltage and current
Metering Analog, 96 mm2, linear double scaled, kV Meter.
Analog, 96 mm2, linear double scaled. mA Meter in the
output.
Accuracy ± 3% full scale deflection.
Protection MCB, a fast acting D.C. relay isolates the H.T. at trip level.
Interlocking Zero-start interlocking for H.V. output.
Timer 1-3-5 minutes. Timer can be switched off from circuit.
Auxiliaries Mains MCB switch, Push-buttons switches for ‘H.T.ON’,‘H.T.OFF’, ‘RESET’,’RAISE’ ‘LOWER’ .
Indicators ‘Mains’, ’HT OFF’, ‘HT ON’, ‘READY’, ‘Breakdown”.
Termination H.T. End insulated and other end at earth potential.
Enclosures The unit will be in two parts:
Control Unit:Houses switches, MCB, lamps, variac etc in amsheet metal case type mobile.
H.T. Unit :Round barrel type mobile.
Accessories 1. Mains wires 3 core, 2 meter long.
2. Inter connecting cable 5 meter long.
3. Instruction manual.
Model INPUT AC OUTPUT AC RMS kV meter range mA meter range Trip setting
kV mA
HT-PDF-100-100 230V 100 100 0-50-100 0-50-100 25-50-75-100
HT-PDF-100-500 400V 100 500 0-250-500 0-250-500 125-250-375-500
HT-PDF-120-100 400V 120 100 0-60-120 0-50-100 25-50-75-100
HT-PDF-150-100 400V 150 100 0-75-150 0-50-100 25-50-75-100
+ Feature

Feature

  • Panel mounted controls and indicators with easy to read legend
  • Continuously variable motorized output control
  • Double range kV + mA meter
  • Selectable trip current
  • Timer of 1-3-5 minutes

Safety Feature

  • Zero start interlock (User must always raise voltage from minimum. HV is switched on only when voltage control is brought to zero)
  • External interlock
  • Audio + Visual alarms
  • Fast acting over load circuit breaker. MCB-magnetic overload protection
+ Technical Specification
HT transformer Copper double wound, isolated, high efficiency transformer
No load current < 10%
Impedance < 10%
Partial discharge < 10pC under 100% rated voltage
Output Control Continuously variable by motorized control.
Rating 10 minutes at 100% voltage and current
Metering Analog, 96 mm2, linear double scaled, kV Meter.
Analog, 96 mm2, linear double scaled. mA Meter in the
output.
Accuracy ± 3% full scale deflection.
Protection MCB, a fast acting D.C. relay isolates the H.T. at trip level.
Interlocking Zero-start interlocking for H.V. output.
Timer 1-3-5 minutes. Timer can be switched off from circuit.
Auxiliaries Mains MCB switch, Push-buttons switches for ‘H.T.ON’,‘H.T.OFF’, ‘RESET’,’RAISE’ ‘LOWER’ .
Indicators ‘Mains’, ’HT OFF’, ‘HT ON’, ‘READY’, ‘Breakdown”.
Termination H.T. End insulated and other end at earth potential.
Enclosures The unit will be in two parts:
Control Unit:Houses switches, MCB, lamps, variac etc in amsheet metal case type mobile.
H.T. Unit :Round barrel type mobile.
Accessories 1. Mains wires 3 core, 2 meter long.
2. Inter connecting cable 5 meter long.
3. Instruction manual.
Model INPUT AC OUTPUT AC RMS kV meter range mA meter range Trip setting
kV mA
HT-PDF-100-100 230V 100 100 0-50-100 0-50-100 25-50-75-100
HT-PDF-100-500 400V 100 500 0-250-500 0-250-500 125-250-375-500
HT-PDF-120-100 400V 120 100 0-60-120 0-50-100 25-50-75-100
HT-PDF-150-100 400V 150 100 0-75-150 0-50-100 25-50-75-100
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